Sin’s world is turned upside down when she has to ally with a demon and his brother to save her beloved Goblin Market from the evil magicians.
- ISBN: 9781416963837
- Author: Brennan, Sarah Rees
- Published: 2011 , Margaret K. McElderry Books
- Themes: Demonology, Evil, Magic, Rescues, Siblings
- Descriptors: England (UK), Fantasy, Young Adult (ages 14-18)